About this app
Personalize your backpack! Features: - Draw images and animations in real-time: when you change a pixel on the canvas, it immediately changes on the backpack. - Display scrolling texts. - Import images. - Use the backpack in bike mode: signal your intent to turn or to slow down by pressing on the corresponding sections of the screen (press again to reset to the idle biking animation). - The core of the app runs fully locally: no need to connect to remote servers to use your backpack! - Save drawings and animations; share them or the entire collection with others. - Show the currently playing song (music recognition powered by AudD). - Show the odds of various events happening by selecting Manifold forecasts. - Display built-in animations. - Import animations. - Display the game of life or various other effects. - Play your backpack's built-in games. - Throw quantum random dice. - Use all of the other built-in widgets, such as countdown, stopwatch, or clock. - Automatically send an animation or open a widget when you connect to your backpack. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest release
What’s New
Editor — Selection & Drag Tools - Rectangular selection tool (drag to define area) - Freeform lasso selection tool (draw path, interior auto-filled via ray-casting) - Drag-to-move selected pixels (vacated pixels become black) - Across-frames toggle (off by default) to apply moves to all frames - Auto-commit on tool switch or frame change Chain Animations - New screen to compose sequences of saved animations - Per-animation repetition count, per-still duration control - Direction expansion (alternate → fwd+bwd frames) - Real-time frame count (vs 200 limit) and color count (vs 256) - Drag-to-reorder - Save as editable chain composition (reopenable from collection) - Convert to a long animation - Export, share, and duplicate support for chains File Association - .pixpack files associated with the app Settings & Links - Extract from Video link - Animation Library link Misc - Removed 15-character name length limit - Bike mode stop bar slightly taller (100→120px) - Keyboard dismisses on tap outside search bar - Other minor changes and fixes Palette & Video Tool - Video-to-pixpack tool: k-means refined 256-color palette quantization at export (minimizes squared color distance) - App uploader: safety-net quantization for >256 color imports
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 5:46 AM Free